H2Dialect.java 文件源码

/**
 * @see org.alfasoftware.morf.jdbc.SqlDialect#renameTableStatements(java.lang.String, java.lang.String)
 */
@Override
public Collection<String> renameTableStatements(Table from, Table to) {

  Builder<String> builder = ImmutableList.<String>builder();

  if (!primaryKeysForTable(from).isEmpty()) {
    builder.add(dropPrimaryKeyConstraintStatement(from));
  }

  builder.add("ALTER TABLE " + from.getName() + " RENAME TO " + to.getName());

  if (!primaryKeysForTable(to).isEmpty()) {
    builder.add(addPrimaryKeyConstraintStatement(to, namesOfColumns(primaryKeysForTable(to))));
  }

  return builder.build();
}